88560

Appears in sequences

• Theta series of E_6 lattice.at n=33A004007
• Binomial coefficients C(n,79).at n=3A017743
• Binomial coefficients C(82,n).at n=3A017798
• a(n) = (prime(n)-3)*(prime(n)-5)*(prime(n)-7)/48.at n=37A030003
• Phi(A033631(n)) {phi is the Euler totient function A000010}.at n=33A115620
• Tetrahedral numbers n*(n+1)*(n+2)/6 with n, n+1 and n+2 nonprime.at n=24A152622
• Numbers with prime factorization pqr^3s^4.at n=31A190294
• a(n) = binomial(3*n + 1,3).at n=26A228887
• a(n) = (p+1)*(p+2)*(p+3)/6 where p is the n-th prime.at n=21A271512
• Binomial coefficients binomial(n,k) = UV such that n>=2k and U > V, where gpf(U) <= k, gpf(V) > k (gpf(n)= is the greatest prime factor of n).at n=7A286981
• a(n) = (5*n + 5)*(5*n + 6)*(5*n + 7)/6.at n=15A300523
• Triangle read by rows: T(n,k) = number of closed trails of length k starting and ending at a fixed vertex in the complete undirected graph on n labeled vertices, for n >= 1 and k = 0 .. n(n-1)/2.at n=50A357885
• Number of ways that people can sit in n linearly arranged seats such that there are two or three empty seats between any two persons, zero, one or two empty seats at the start and end, and at least one person gets seated.at n=19A373783